equivalent-grades

JIS SUP10 Steel: SAE 6150 Equivalent — Cr-V Spring Steel for Precision and Aerospace Springs

JIS SUP10 is a Cr-V alloy spring steel (JIS G4801) nearest to SAE 6150 and EN 51CrV4. Discover composition, mechanical properties, heat treatment, and when to choose it for high-performance springs.

2026.05.26

steel

SS400 vs SM400: Why Japan’s Two “Same-Strength” Structural Steels Are Not Interchangeable

SS400 and SM400 have identical tensile strength, yet engineers in Japan treat them as completely different materials. Learn why — and what to order outside Japan.

2026.05.26

steel

SNCM625 Steel: International Equivalents, Properties & Heat Treatment Guide

SNCM625 equivalent grades (DIN 34CrNiMo6, AISI 4340), chemical composition, mechanical properties, and heat treatment for large-section shafts. Metric and imperial data included.

2026.05.25

steel

SNCM415 Steel: International Equivalents, Properties & Carburizing Guide

SNCM415 equivalent grades (AISI 4320, DIN 18CrNiMo7-6), chemical composition, carburized case and core properties, and heat treatment. Full metric and imperial data for engineers.

2026.05.25

steel

SNCM220 Steel: International Equivalents, Properties & Carburizing Guide

SNCM220 equivalent grades (AISI 8620, DIN 21NiCrMo2), chemical composition, carburized case and core properties, and heat treatment. Metric and imperial data for engineers.

2026.05.22

steel

SNC815 Steel: Equivalent Grades, Properties & Heat Treatment Guide

SNC815 (JIS G4102) high-Ni carburizing steel: equivalents (AISI 3310, DIN 14NiCr14), properties, heat treatment, and applications for large-section heavy-duty gears.

2026.05.21

steel

SNC415 Steel: Equivalent Grades, Properties & Heat Treatment Guide

SNC415 (JIS G4102) Ni-Cr carburizing steel: international equivalents (AISI 3415, DIN 14NiCr10), chemical composition, mechanical properties, and heat treatment applications.

2026.05.20

steel

SNB7 vs ASTM A193 B7: Equivalent Grades, Properties & Key Differences

SNB7 (JIS G4107) vs ASTM A193 B7: composition equivalents, mechanical properties, heat treatment differences, and applications for high-pressure flange bolting.

2026.05.19

steel

SCr430 Steel: International Equivalents, Properties & Heat Treatment Guide

SCr430 equivalent grades, chemical composition, mechanical properties, and heat treatment. Covers AISI 5130, DIN 28Cr4 with metric and imperial units for manufacturing engineers.

2026.05.19

steel

SN400 / SN490 vs A992: Seismic Structural Steel Equivalent Grades & Properties

SN400 and SN490 vs ASTM A992 equivalent grades, Fy/Fu ratio control, Charpy impact requirements, and seismic structural applications. JIS G3136 complete properties guide.

2026.05.18

steel